script.js

// Redirect to dashboard if already logged in
if (window.location.pathname.endsWith("index.html") || window.location.pathname === "/") {
    if (localStorage.getItem("username")) {
      window.location.href = "dashboard.html";
    }
  }
  
  function login() {
    const username = document.getElementById("username").value;
    if (username.trim() !== "") {
      localStorage.setItem("username", username);
      window.location.href = "dashboard.html";
    } else {
      alert("Please enter a username.");
    }
  }
  
  function logout() {
    localStorage.removeItem("username");
    window.location.href = "index.html";
  }
  
  function postComment() {
    const comment = document.getElementById("commentInput").value;
    if (comment.trim() !== "") {
      let comments = JSON.parse(localStorage.getItem("comments")) || [];
      comments.push({ user: localStorage.getItem("username"), text: comment });
      localStorage.setItem("comments", JSON.stringify(comments));
      document.getElementById("commentInput").value = "";
      loadComments();
    }
  }
  
  function loadComments() {
    const comments = JSON.parse(localStorage.getItem("comments")) || [];
    const section = document.getElementById("commentsSection");
    section.innerHTML = "";
    comments.forEach(c => {
      const div = document.createElement("div");
      div.innerHTML = `<strong>${c.user}:</strong> ${c.text}`;
      section.appendChild(div);
    });
  }
  
  // Show username + load comments on dashboard
  if (window.location.pathname.endsWith("dashboard.html")) {
    const user = localStorage.getItem("username");
    if (!user) {
      window.location.href = "index.html";
    } else {
      document.getElementById("userDisplay").innerText = user;
      loadComments();
    }
  }